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A Study to Evaluate Pharmacokinetics, Efficacy, Safety, Tolerability, and Pharmacodynamics of Satralizumab in Pediatric Patients With Aquaporin-4 Antibody Positive Neuromyelitis Optica Spectrum Disorder (NMOSD) (SAkuraSun)

28. september 2026 opdateret af: Hoffmann-La Roche

A Phase III, Multicenter, Open-Label, Uncontrolled Study to Evaluate Pharmacokinetics, Efficacy, Safety, Tolerability, and Pharmacodynamics of Satralizumab in Pediatric Patients With AQP4 Antibody Positive Neuromyelitis Optica Spectrum Disorder (NMOSD)

This study will primarily evaluate the pharmacokinetics of satralizumab in pediatric patients aged 2-11 years with anti-aquaporin-4 (AQP4) antibody seropositive neuromyelitis optica spectrum disorder (NMOSD). Efficacy, safety, tolerability, and pharmacodynamics will be evaluated in a descriptive manner, given the small number of patients who will be enrolled in this study.

Studieoversigt

Status

Rekruttering

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

8

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

      • Ciudad Autonoma Buenos Aires, Argentina, C1249ABN
        • Rekruttering
        • Hospital de Pediatría S.A.M.I.C.- Prof. Dr. Juan P. Garrahan
      • Córdoba, Argentina, X5004FHP
        • Rekruttering
        • Clinica Universitaria Reina Fabiola
      • London, Det Forenede Kongerige, WC1N 3JH
        • Rekruttering
        • Great Ormond Street Hospital for Children
    • Colorado
      • Denver, Colorado, Forenede Stater, 80218-1007
        • Rekruttering
        • Children's Hospital Colorado.
    • Val-de-Marne
      • Le Kremlin-Bicêtre, Val-de-Marne, Frankrig, 94275
        • Rekruttering
        • Centre Hospitalier Universitaire de Bicêtre
    • Lazio
      • Rome, Lazio, Italien, 00165
        • Rekruttering
        • IRCCS Ospedale Pediatrico Bambino Gesù - INCIPIT - PIN
    • Lombardy
      • Pavia, Lombardy, Italien, 27100
        • Rekruttering
        • Fondazione Istituto Neurologico Mondino IRCCS
    • Guangdong
      • Guangzhou, Guangdong, Kina, 510120
        • Rekruttering
        • Guangzhou Women and Children's Medical Center
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Kina, 201102
        • Rekruttering
        • Children's Hospital of Fudan University
    • Mexico CITY (federal District)
      • DF, Mexico CITY (federal District), Mexico
        • Rekruttering
        • Grupo Medico Camino
      • Mexico City, Mexico CITY (federal District), Mexico, 06720
        • Rekruttering
        • Hospital Infantil de Mexico Federico Gomez
      • Gdansk, Polen, 80-214
        • Aktiv, ikke rekrutterende
        • Uniwersyteckie Centrum Kliniczne
      • Warsaw, Polen, 04-730
        • Rekruttering
        • Instytut "Pomnik - Centrum Zdrowia Dziecka"
      • Kocaeli, Tyrkiet (Türkiye), 6810
        • Rekruttering
        • Kocaeli University Research and Application Hospit

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

2 år til 11 år (Barn)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Age at screening 2-11 years, inclusive

  • Body weight at screening >=10 kg

  • For female patients of childbearing potential (postmenarchal): agreement to either remain completely abstinent (refrain from heterosexual intercourse) or to use a reliable means of contraception

  • Diagnosed as having NMOSD with AQP4 antibody seropositive status as defined by the Wingerchuk 2015 criteria Clinical evidence of at least one documented attack (including first attack) in the last year prior to screening:

    • Documented history of a positive anti-AQP4 antibody test or a positive anti-AQP4 antibody test at screening;
  • Neurological stability for >=30 days prior to baseline

  • Expanded Disability Status Scale (EDSS) 0 to 6.5

  • For participants receiving a baseline immunosuppressant treatment and planning to continue on these therapies, treatment must be at stable dose for 4 weeks prior to baseline

Exclusion Criteria:

  • Pregnancy or lactation
  • Evidence of other demyelinating disease mimicking NMOSD
  • Active or presence of recurrent bacterial, viral, fungal, mycobacterial infection, or other infection at baseline
  • Evidence of chronic active hepatitis B or C
  • Evidence of untreated latent or active tuberculosis (TB)
  • Receipt of a live or live-attenuated vaccine within 6 weeks prior to baseline
  • History of severe allergic reaction to a biologic agent
  • IVIg or subcutaneous Ig (SCIg) within 4 weeks prior to enrollment/Day 1

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Cohort 1: Participants with body weight ≥10kg to <20kg

Satralizumab will be administered SC Q6W in a cohort of at least 2 evaluable patients

Participants will receive satralizumab treatment for a minimum of 48 weeks and then will have the opportunity to enter an optional satralizumab extension (OSE) period.

Eksperimentel: Cohort 2 Participants with body weight ≥20kg to <40kg

Satralizumab will be administered SC at Weeks 0, 2, 4, and Q4W thereafter.

Participants will receive satralizumab treatment for a minimum of 48 weeks and then will have the opportunity to enter an optional satralizumab extension (OSE) period.

Eksperimentel: Cohort 3 Participants with body weight ≥40kg

Satralizumab will be administered SC at Weeks 0, 2, 4, and Q4W thereafter.

Participants will receive satralizumab treatment for a minimum of 48 weeks and then will have the opportunity to enter an optional satralizumab extension (OSE) period.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Summary of Observed Serum Concentration of Satralizumab
Tidsramme: Week 48
Week 48
Apparent Clearance [CL/F] of Satralizumab
Tidsramme: Week 48
Week 48
Apparent Volume of Distribution [V/F] of Satralizumab
Tidsramme: Week 48
Week 48
Area Under the Concentration-time Curve [AUC] of Satralizumab
Tidsramme: Week 48
Week 48

Sekundære resultatmål

Resultatmål
Tidsramme
Ændring fra baseline i Expanded Disability Status Scale (EDSS) i uge 24 og 48
Tidsramme: Baseline, uge ​​24, uge ​​48
Baseline, uge ​​24, uge ​​48
Proportion of Relapse-free Participants by Week 48
Tidsramme: Week 48
Week 48
Annualized Relapse Rate (ARR), defined as the average number of relapses for each year of the study
Tidsramme: Week 48
Week 48
Time to First Relapse (TFR) after enrollment, defined as the time from enrollment until the first occurrence of relapse, as determined by the investigator
Tidsramme: Week 48
Week 48
Time to Relapse Requiring Rescue Therapy
Tidsramme: Week 48
Week 48
Change from Baseline in Visual Acuity at Weeks 24 and 48
Tidsramme: Baseline, Week 24, Week 48
Baseline, Week 24, Week 48
Change from Baseline in FACES Pain Rating Scale at Weeks 24 and 48
Tidsramme: Baseline, Week 24, Week 48
Baseline, Week 24, Week 48
Change from Baseline in EuroQol 5-Dimension, Youth (EQ-5D-Y) Score and its Proxy at Weeks 24 and 48
Tidsramme: Baseline, Week 24, Week 48
Baseline, Week 24, Week 48
Incidence and Severity of Adverse Events
Tidsramme: Week 48
Week 48

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Studieleder: Clinical Trials, Hoffmann-La Roche

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

6. maj 2026

Primær færdiggørelse (Anslået)

31. marts 2027

Studieafslutning (Anslået)

12. september 2029

Datoer for studieregistrering

Først indsendt

3. december 2021

Først indsendt, der opfyldte QC-kriterier

5. januar 2022

Først opslået (Faktiske)

20. januar 2022

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

1. oktober 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • WN41733
  • 2019-004092-39 (EudraCT nummer)
  • 2023-507817-85-00 (Ctis)
  • 2023 (U.S. NIH-bevilling/kontrakt)
  • 2019 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

For eligible studies, qualified researchers may request access to individual patient level clinical data. See Roche's commitment to transparency of clinical study information here: https://go.roche.com/data_sharing

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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